Valve mold with automatic pressure relief function

By installing a pressure gauge and PLC controller on the valve mold to form a self-relief system, combined with a heat dissipation mechanism, the problem of deformation and damage caused by high pressure in traditional molds is solved, achieving automatic pressure relief and rapid heat dissipation, thus extending the service life of the mold.

CN223750190UActive Publication Date: 2026-01-02YANCHENG YUEFENG MOULD CO LTD
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Patent Information

Application Number
CN202520291776.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-24
Publication Date
2026-01-02
Estimated Expiration
2035-02-24

AI Technical Summary

Technical Problem

Traditional valve molds lack an effective self-pressure relief mechanism, which leads to mold deformation and damage under high pressure, shortening their service life.

Method used

A valve mold with self-pressure relief function was designed. By installing a pressure gauge and a PLC controller on the surface of the mold, the pressure is automatically relieved by an electrically controlled valve, and a heat dissipation mechanism is combined to reduce the mold temperature and prevent mold damage.

Benefits of technology

It enables automatic pressure relief under high pressure conditions, preventing mold deformation and damage, improving mold life and heat dissipation, and increasing production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of valve molds, and discloses a valve mold with a self pressure relief function, which comprises a workbench, the surface of the workbench is in threaded connection with a fixed mold, the surface of the fixed mold is provided with an automatic pressure relief mechanism, and the bottom of the fixed mold is lapped with a heat dissipation mechanism. A placing plate is fixedly connected to the inner wall of the workbench, and two cooling fans are installed on the surface of the placing plate. According to the valve mold with the automatic pressure relief function, through the arrangement of the automatic pressure relief mechanism, when valve injection molding is conducted, a pressure gauge is installed on the surface of the fixed mold, the pressure value in a mold cavity is detected through the pressure gauge, and when the pressure value in the cavity is too large, the pressure gauge transmits a signal to a PLC on one side; and then the PLC controls the electric control valve on the surface of the air release opening in the top of the movable mold to be opened, so that the automatic pressure release effect is achieved, and the situation that the mold is deformed and damaged and the service life of the mold is shortened due to overhigh pressure is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to valve mould technical field especially relates to a valve mould with self pressure relief function. BACKGROUND

[0002] Valves are widely used in petroleum chemical industry, electric power, building water supply and drainage, metallurgy and many other fields as key components to control fluid (such as gas, liquid, etc.) flow. With the continuous development of various industries, higher and higher requirements are put forward for the performance, quality and production efficiency of valves. As an important tool for valve production, the design and manufacturing level of valve mould directly affect the precision, quality and production efficiency of valves.

[0003] During the injection molding or die casting process of valve mould, high pressure may be generated inside the cavity due to factors such as material injection and solidification shrinkage. Traditional moulds lack effective self pressure relief mechanism, and excessive pressure may cause mould deformation, damage and shorten the service life of the mould. For example, in high pressure injection molding process, the internal pressure of the mould can reach tens or even hundreds of megapascals. Under such high pressure for a long time, the core, cavity and other key components of the mould are prone to wear, cracks and other defects. SUMMARY

[0004] (I) Technical problem solved

[0005] The utility model discloses a valve mould with self pressure relief function, which solves the problem of traditional moulds lacking effective self pressure relief mechanism, excessive pressure causing mould deformation, damage and shortening the service life of the mould.

[0006] (II) Technical scheme

[0007] To achieve the above purpose, the utility model discloses a valve mould with self pressure relief function, which comprises a workbench, the surface of the workbench is screw connected with a fixed mould, the surface of the fixed mould is installed with an automatic pressure relief mechanism, the bottom of the fixed mould is overlapped with a heat dissipation mechanism, the inner wall of the workbench is fixedly connected with a placing plate, the surface of the placing plate is installed with two heat dissipation fans, the automatic pressure relief mechanism comprises a pressure gauge installed on the surface of the fixed mould, one side of the pressure gauge is electrically connected with a PLC controller through a power line, one side of the PLC controller is electrically connected with an electric control valve through a power line, the heat dissipation mechanism comprises a plurality of heat conduction columns overlapped on the bottom of the fixed mould, one side of the heat conduction column is fixedly connected with a heat dissipation fin.

[0008] As a further scheme of the utility model, four threaded holes are formed on the surface of the fixed mould, and threaded columns are screw connected in the threaded holes. The threaded columns support the fixed mould.

[0009] As a further scheme of the utility model, two supporting legs are fixedly connected to the bottom of the workbench, a reinforcing plate is fixedly connected to one side of the supporting leg, and the supporting leg plays a role of supporting the workbench.

[0010] As a further scheme of the utility model, four vertical rods are fixedly connected to the top of the workbench, a top plate is fixedly connected to the top of the vertical rod, and the vertical rod plays a role of connecting the top plate.

[0011] As a further scheme of the utility model, a hydraulic rod is fixedly connected to the top of the top plate, a pressing plate is fixedly connected to the end of the hydraulic rod, and the hydraulic rod plays a role of driving the pressing plate to move.

[0012] As a further scheme of the utility model, a movable mold is fixedly connected to the bottom of the pressing plate, a pressure relief port is arranged in the movable mold, and the pressure relief port plays a role of pressure relief.

[0013] As a further scheme of the utility model, an electric control valve is arranged on the surface of the pressure relief port, and a PLC controller is fixedly connected to one side of the workbench, and the PLC controller plays a role of controlling the opening and closing of the electric control valve.

[0014] (Three) beneficial effects

[0015] The utility model provides a valve mold with self pressure relief function has the following beneficial effects:

[0016] 1、 this valve mold with self pressure relief function, through the setting of automatic pressure relief mechanism, when valve injection is carried out, the pressure table is installed on the surface of fixed mold, the pressure value in mold cavity is detected by using pressure table, when the pressure value in cavity is too large, the pressure table transmits signal to the PLC controller of one side, and then the electric control valve on the surface of movable mold top pressure relief port is opened by the PLC controller, thereby realizing the effect of automatic pressure relief, avoiding that the mold is deformed and damaged due to excessive pressure, and shortening the service life of the mold.

[0017] 2、 this valve mold with self pressure relief function, through the setting of heat dissipation mechanism and heat dissipation fan, when being used, a plurality of heat conduction columns are overlapped on the top of fixed mold, heat on the surface of fixed mold is transmitted to the surface of heat dissipation fin at the bottom for heat exchange by using heat conduction column, and the surface of heat dissipation fin is cooled by the heat dissipation fan below the heat dissipation fin, thereby achieving the effect of rapidly cooling the surface of fixed mold, and improving the heat dissipation effect of fixed mold. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is overall structure schematic view of the utility model;

[0019] Fig. 2 It is automatic pressure relief mechanism structure schematic view of the utility model;

[0020] Fig. 3 It is heat dissipation mechanism structure schematic view of the utility model;

[0021] Fig. 4 It is top plate structure schematic view of the utility model.

[0022] In the drawing: 1, workbench;2, fixed mold;3, automatic pressure relief mechanism;301, pressure gauge;302, PLC controller;303, electric control valve;4, heat dissipation mechanism;401, heat conduction column;402, heat dissipation fin;5, placement plate;6, heat dissipation fan;7, threaded column;8, support leg;9, reinforcing plate;10, vertical rod;11, top plate;12, hydraulic rod;13, lower pressing plate;14, movable mold;15, air vent. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without making creative efforts fall within the scope of protection of the utility model.

[0024] Please refer to Figs. 1 to 4 The utility model provides a kind of technical scheme: a valve mold with self pressure relief function, including workbench 1, the surface of workbench 1 is connected with fixed mold 2 by screw thread, the surface of fixed mold 2 is equipped with automatic pressure relief mechanism 3, the setting of automatic pressure relief mechanism 3 is to realize the effect of automatic pressure relief, avoid the deformation of mold caused by excessively high pressure, damage, shorten the service life of mold, the bottom of fixed mold 2 is overlapped with heat dissipation mechanism 4, the setting of heat dissipation mechanism 4 and heat dissipation fan 6 is to reach the effect of the surface of fixed mold 2 is rapidly cooled, improve the heat dissipation effect of fixed mold 2, the inner wall of workbench 1 is fixedly connected with placement plate 5, the surface of placement plate 5 is equipped with two heat dissipation fans 6, automatic pressure relief mechanism 3 includes the pressure gauge 301 installed on the surface of fixed mold 2, the side of pressure gauge 301 is electrically connected with PLC controller 302 by power line, the side of PLC controller 302 is electrically connected with electric control valve 303 by power line;Heat dissipation mechanism 4 includes the heat conduction column 401 overlapped on the bottom of fixed mold 2, the side of heat conduction column 401 is fixedly connected with heat dissipation fin 402;

[0025] The surface of fixed mold 2 is provided with four threaded holes, and the threaded holes are connected with threaded columns 7 by screw thread, the setting of threaded column 7 plays the role of supporting fixed mold 2;

[0026] The bottom of the workbench 1 is fixedly connected with two supporting legs 8, and one side of the supporting leg 8 is fixedly connected with a reinforcing plate 9, and the supporting leg 8 plays a role of supporting the workbench 1.

[0027] The top of the workbench 1 is fixedly connected with four vertical rods 10, and the top of the vertical rod 10 is fixedly connected with a top plate 11, and the vertical rod 10 plays a role of connecting the top plate 11.

[0028] The top of the top plate 11 is fixedly connected with a hydraulic rod 12, and the tail end of the hydraulic rod 12 is fixedly connected with a pressing plate 13, and the hydraulic rod 12 plays a role of driving the pressing plate 13 to move.

[0029] The bottom of the pressing plate 13 is fixedly connected with a movable mold 14, and the inside of the movable mold 14 is provided with a gas vent 15, and the gas vent 15 plays a role of pressure relief.

[0030] The electric control valve 303 is installed on the surface of the gas vent 15, and the PLC controller 302 is fixedly connected to one side of the workbench 1, and the PLC controller 302 plays a role of controlling the opening and closing of the electric control valve 303.

[0031] In the utility model, the working steps of the device are as follows:

[0032] The first step is that when the valve is injection molded, the surface of the fixed mold 2 is provided with a pressure gauge 301, the pressure value in the mold cavity is detected by using the pressure gauge 301, when the pressure value in the cavity is too large, the pressure gauge 301 transmits a signal to the PLC controller 302 on one side, and then the PLC controller 302 controls the electric control valve 303 on the surface of the gas vent 15 on the top of the movable mold 14 to open.

[0033] The second step is that when in use, the top of the fixed mold 2 is overlapped with a plurality of heat conducting columns 401, the heat on the surface of the fixed mold 2 is transmitted to the surface of the heat dissipation fin 402 at the bottom for heat exchange by using the heat conducting column 401, and the surface of the heat dissipation fin 402 is cooled by the cooling fan 6 below the heat dissipation fin 402. It should be noted that the equipment structure and the drawings of the utility model mainly describe the principle of the utility model, and the setting of the power mechanism, the power supply system and the control system of the device is not completely described in the design principle technology, and under the premise that the above-mentioned principle of the utility model is understood by the person skilled in the art, the specific of the power mechanism, the power supply system and the control system can be clearly known, and the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art.

[0034] The standard parts used in the application can be purchased from the market, and can be ordered according to the description and the drawings. The specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art. The mechanical parts and equipment adopt the conventional type in the prior art, and the components known to the person skilled in the art are known to the person skilled in the art through technical manual or conventional experimental method.

[0035] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A valve die with self pressure relief function, comprising a workbench (1), characterized in that: The surface of the workbench (1) is screw connected with a fixed mold (2), the surface of the fixed mold (2) is mounted with an automatic pressure relief mechanism (3), the bottom of the fixed mold (2) is overlapped with a heat dissipation mechanism (4), the inner wall of the workbench (1) is fixedly connected with a placing plate (5), the surface of the placing plate (5) is mounted with two heat dissipation fans (6), The automatic pressure relief mechanism (3) comprises a pressure gauge (301) mounted on the surface of the fixed mold (2), one side of the pressure gauge (301) is electrically connected with a PLC controller (302) through a power line, one side of the PLC controller (302) is electrically connected with an electric control valve (303) through a power line; The heat dissipation mechanism (4) comprises a plurality of heat conduction columns (401) overlapped on the bottom of the fixed mold (2), one side of the heat conduction column (401) is fixedly connected with a heat dissipation fin (402).

2. The valve die with self-pressure relief function according to claim 1, characterized in that: The surface of the fixed mold (2) is provided with four threaded holes, and the threaded holes are screw connected with threaded columns (7).

3. The valve die with self-pressure relief function according to claim 1, characterized in that: The bottom of the workbench (1) is fixedly connected with two supporting legs (8), one side of the supporting leg (8) is fixedly connected with a reinforcing plate (9).

4. The valve die with self-pressure relief function according to claim 1, characterized in that: The top of the workbench (1) is fixedly connected with four vertical rods (10), and the top of the vertical rod (10) is fixedly connected with a top plate (11).

5. The valve die with self-pressure relief function according to claim 4, characterized in that: The top of the top plate (11) is fixedly connected with a hydraulic rod (12), and the end of the hydraulic rod (12) is fixedly connected with a pressing plate (13).

6. The valve die with self-pressure relief function according to claim 5, characterized in that: The bottom of the pressing plate (13) is fixedly connected with a movable mold (14), and the inside of the movable mold (14) is mounted with a gas vent (15).

7. The valve die with self-pressure relief function according to claim 1, characterized in that: The electric control valve (303) is mounted on the surface of the gas vent (15), and the PLC controller (302) is fixedly connected on one side of the workbench (1).